From 8d62fdebdaf9b866c7e236a8f5cfe90e6dba5773 Mon Sep 17 00:00:00 2001 From: David Wilder Date: Wed, 27 Jun 2007 14:10:03 -0700 Subject: [PATCH] relay file read: start-pos fix Fix a bug in the relay read interface causing the number of consumed bytes to be set incorrectly. Signed-off-by: Tom Zanussi Signed-off-by: David Wilder Cc: Masami Hiramatsu Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/relay.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/relay.c b/kernel/relay.c index 4311101b0ca7..e61156ea4e25 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -899,7 +899,10 @@ static size_t relay_file_read_start_pos(size_t read_pos, size_t read_subbuf, padding, padding_start, padding_end; size_t subbuf_size = buf->chan->subbuf_size; size_t n_subbufs = buf->chan->n_subbufs; + size_t consumed = buf->subbufs_consumed % n_subbufs; + if (!read_pos) + read_pos = consumed * subbuf_size + buf->bytes_consumed; read_subbuf = read_pos / subbuf_size; padding = buf->padding[read_subbuf]; padding_start = (read_subbuf + 1) * subbuf_size - padding; -- 2.30.2